UNIDENTIFIED

MAT 286

Processor         80286
Processor Speed   12/16MHz
Chip Set          Unidentified
Max. Onboard DRAM 4MB
Cache             None
BIOS              Quadtel
Dimensions        220mm x 220mm
I/O Options       None
NPU Options       80287

[Image]

                                CONNECTIONS

  Purpose                   Location   Purpose                   Location

  External battery            JP3      Power LED & keylock         JP9

  Turbo switch                JP7      Speaker                    JP10

  Reset switch                JP8      Turbo LED                  JP11

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

  »   Turbo switch enabled                    JP1           pins 2 & 3
                                                              closed

      Turbo switch disabled                   JP1           pins 1 & 2
                                                              closed

  »   Monitor type select color               JP2             Closed

      Monitor type select monochrome          JP2              Open

  »   AT bus clock speed select Y3/4          JP12            Closed

      AT bus clock speed select Y2/4          JP12             Open

  »   NPU speed select Y3/3                   JP13          pins 1 & 2
                                                              closed

      NPU speed select Y4/3                   JP13          pins 2 & 3
                                                              closed

                            DRAM CONFIGURATION

     Size          Bank 0        Bank 1         Bank 2         Bank 3

     512KB          NONE          NONE        (4) 44256         NONE

     512KB      (2) 256K x 9      NONE           NONE           NONE

     640KB          NONE          NONE        (4) 44256       (4) 4464

      1MB           NONE          NONE        (4) 44256       (4) 44256

      2MB        (2) 1M x 9       NONE           NONE           NONE

      2MB           NONE          NONE        (4) 441000        NONE

     2.5MB          NONE          NONE        (4) 44256      (4) 441000

     2.5MB          NONE       (2) 1M x 9     (4) 44256         NONE

      4MB           NONE          NONE        (4) 441000     (4) 441000

      4MB        (2) 1M x 9    (2) 1M x 9        NONE           NONE